how can i transfer my progress from a ps4 game to my steam account on my pc??

[Valegamer 004 oficial]

I bought the game on PS4 a long time ago, but now I found it on my PC and I don't want to lose all my progress (which is not a little)
help plz :c

 

[Factabulous]

You can only transfer credits ...

Can I transfer my assets or Commander between PC, Xbox One, and PS4™? :: Frontier Customer Support

We can help with a conditional one-time transfer between PC, Xbox One and PlayStation®4. Please read for more.

support.frontier.co.uk